
exports.insert = 'insert into c_exchange set ?';

exports.limitAll = 'select * from c_exchange order by date desc limit ?,?';

exports.total = 'select count(id) as total from c_exchange';

exports.selectById = 'select * from c_exchange where id = ?';

exports.delete = 'delete from c_exchange where id in (?)';

exports.updateById = 'update c_exchange set ? where id = ?';

